The preparation of 2(1H)-pyridinones and 2,3-dihydro-5(1H)-indolizinones via transition metal mediated cocyclization of alkynes and isocyanates. A novel construction of the antitumor agent camptothecin
The preparation of 2(1H)-pyridinones and 2,3-dihydro-5(1H)-indolizinones via transition metal mediated cocyclization of alkynes and isocyanates. A novel construction of the antitumor agent camptothecin
The preparation of 2(1H)-pyridinones and 2,3-dihydro-5(1H)-indolizinones via transition metal mediated cocyclization of alkynes and isocyanates. A novel construction of the antitumor agent camptothecin